Universal work-support for stitching-machines



H, WEBER UNIVERSAL 'WORK SV-FPOH'' FOB STH'CHING MACHINES. 'APPucATmNVrlLEp luwsz'o, 1919.

3 SHEETS-SWEET l.

APPLlCATlOH FILED JUNEZO, 1.919.

UNWERSL WRK SUPPORT FOR STTCHNG MCHIMES.

NIVERSAL WOHI( SUPPORT FOR STITCHING MACHINES APPLICATION FILED IuNE 2o, 1919.

I Patented June 2'1 1921 i i Z" 3 sHEETssHEET 3.

OFFlCE HENRY" WEBER, DE' CHLAGU, ILLNOJIS, ASSIGNOR T LATHM MACEHTERY COM# PME?, F GHIGAGU, l'LLNOIS, A CORPORATION 0F ILLJEN'OES.

UNIVERSEL WIR'K-SUPRORT EUR STITCHING-MACHINES.

ld'tl.,

Application tiled lane 20,

To all 'whom it may concern:

Be it lrnown that ll, Hanni' llnem, a citizen ot the United Sta-tes, residing at Chicago, in the county of Cook and State of illinois, have invented certain new and uselul Improvements in Universal VVOrlrfSup ports tor Stitchingdllachines, of which the following is a specilication.

My invention relates to work supports lor wire stitching machines, and the like, and has for one ot its objects the provision ot a simple and eiiicien-t work-holding support which is adapted to be held rigidly in operative position and provided with means tor quickly and easily swinging1 the device to a position lor expeditiously placing worlr on and taking it od' from such support.

l further object is the provision oi a worlr table having a universal movement, that is, pivoted lor swinging Ain a horizontal plane when in operative position, and also for sliding bach and forth on its support in such horizontal plane.

l still turther object is the provision oi' a worl support which will loe held rigidly when in operative position and provided with means for nrst unlocking the device then for swinging the deviceont ot opera tive position by a simple continuous movement ot' an operating device.

@ther objects will appear hereinafter,

An embodiment ot my invention is indicated in the accompanying drawings7 torming a part of this specification, and in which- Figure 1 is a iragmental elevatmn ol a device embodying my invention;

lligrs. 2 and 3 are enlarged sections talren on lines 2 2 and 3-3, respectively, ot Fig". l;

Fig". l is an enlarged detail section showing the hottom portion ot the worlr support; u

Fig. 5 is an enlarged lragmental side view 5; oi' the upper portion oi? my worlr support showing a hoi: in section thereon; and

6 1s a similar view oi' a worh support now in use with leonie section on it.

Referring more panticul to the drawings ve indicated in l o oase and upr for the work support.

Speclcation of Letters Patent. Ptntgd Jun@ 21, 1'921 1919. Serial No. `305,ll=5.

order to show the application of my improvement to such machines. The stitching head is not shown.

0n the base 5 is indicated a trame 'i' securedcthereto by screws 8, or the like. The trame 7 may be a casting or termed in any desirable manner ot a suitable material. 'lhe frame Y preferably comprises two sides 9 and a baclrl. rlhis is simply a convenient form and any other Idesirable arrangement may be used. Extending through the sides 9 is a pin 11 which serves as the pivot in On the pin 11, etween the sides 9 is an upright arm 12 having a horizontal portion 13 extending laterally from the pin 11 forming,r a substantially lL-shaped member. The upright part 12 may be made in any desirable manner. l have shown it as beingF a casting extending npwardly from the pin 11 with a tubular sleeve attached on the upper portion ol the casting. A stop'1d is preferably mounted on the wall adapted to engagea corresponding stop 15 on the part 12 to limit the movement ol the member 12 towardthe stop 1l. The stop 14 may he a screw threaded in the part 10, as indicated, or any other desirable form -o'i stop may he used. A tension spring' 16,

or its equivalent, is secured hetween the members 12 and 6 to hold the member 12 in its upright position and against the stop le. 'lhis simply indicates one form of resilient means for maintaining the upright arm l2 in the position indicated.

lhe horizontal-part 13 has a portion 13' adapted to rest on top of a holt 17 which is slidably mounted on the base 5 or in any other desirable manner so that the part 137 resting on the bolt 17 holds the arm 12-13 against swinging` away .from the stop 1d. The holt 17 is provided with a compression springs 18., or its equivalent, which normally holds it in Iposition to. engage the part 13. The part 13"y may be a hardened plate secured to the part'13 hy rivets 19, or in any other desirable manner.

Also pivoted on the pin 11 is a lever 20, rlhis lever 20 in the present instance is mounted tor convenient operation by the operatorls 'loot and may loe a pedal. 'lhe lever 20 is provided with a downwardly ein lll@ tending finger 21 which normally rests against an end of bolt 17. rlihe iinge'r resting against the bolt 17 limits the movement of the bolt in one direction. rFhe arrangement is such that when pressure is applied to the lever 20, the finger 21 will move the bolt 17 inwardly toward spring 18 until the bolt disengages thepart 13', when the arm 12--13 will not be locked against moving away from stop 14. `The space 22 between the lower side of lever 20 and upper side of `part 12 back to the position shown in Figs.

1 and 4, and the spring 18 moves the lever 20 to its position shown in Fig. 4.

The top of member 12 is preferably hol low, as indicated, and at any rate is con-A structed in such manner so that a member 23 may be mounted for adjustment longitudinally of the member 12. lin the form shown 1 have indicated the member 23 as being slidably mounted inside of the tubular part of member 12. On the member 23 1 have indicated a knurled nut 24 threaded so that by moving the nut 24 along on the member 23, the latter is adjusted longitudinally of the part 12 of the arm. A screw 25 miay be threaded in the arm 12 with its inner end extending into a slot 26 to prevent rotary movement of the member 23 in the arm 12 when there is a tendency of the member 23 to move in said member 12.

At the upper end of the member 23 1 provide a cylindrical part 27 upon which is pivoted a head 28. 4The head 28 is provided at its upper end with parallel portions 29 which en age a trackway 30 of a work table 31. T e table 31 may be locked on the head 28 in any desirable manner, such as by the plates 32 being secured by screws 33, or their equivalent. This arrangement is such that the head 28 and table 31 are free to rotate on the part 27 and the table 31 is free to slide laterally of the member 27 on the head 28. This gives a kind of universal movement to the work table so that work placed upon the table is supported substantially horizontally while in position to be operated on by the stitching mechanism, not shown, and free to be moved about to support the work to stitch any desired part thereof. The member 27 is preferably provided with an opening 34 for holding the anvil part of' the stitching mechanism. not shown. rFhe table 31 is therefore provided resaca@ vbox being stitched are accessible to the stitching mechanism and are always held in position so that the rivets pass straight through the parts of the box stitched,

1n ig. 6 1 have indicated an ordinary work support now on the market onV which a box 36 is indicated. rThe only surface engaging the box is the riveting anvil 37, and since this member is comparatively ysmall it is quite diiicultA to hold a box so that its side being stitched is level or in a position for the stitching wire to pass straight through the box side. From comparing Figs. 5 and 6 it will be apparent that with my Work table mounted in the manner indicated the box can be easily and accurately held in position for proper stitching, while in Fig. 6 if the'box is not held with its side being stitched horizontal, the stitching wire passes through the box at an angle and has a tendency to buckle or draw the parts being stitched, making an imperfect construction.

1. A work support for stitching machines comprising an upright arm pivoted at its lower end; a locking mem-'ber engaging a portion of the arm and hold the latter against movement in one direction; and a le'vr having a part adapted to engage said iocking member in the first part of its movement for disengaging said locking'member from said part of the arm and in the rest of its movement being adapted to move the arm on its pivot.

2. A work support for stitching machines comprising an upright arml pivoted at its lower end; a locking member extending under and holding the arm against swinging in one direction; a. lever having a portion adapted to move the locking member from under said arm and another portion for engaging the arm to swing the latter on its pivot; and a worktable at the upper end of said arm.

3. A work support for stitching machines comprising a frame; a pivot pin mounted in the frame; a member pivoted on said pin and having a part disposed substantially vertically and another part disposed substantially horizontally; a work supporting table at the top of said vertical part; a locking bolt extending under said horizontal part; a lever having a portion adapted to engage and remove said bolt from under said horizontal part and a portion adapted to engage said horizon-tai part oi' the rnemhei and swing theiatter on its leiteta fi. A work support for stitohingmaohines eoinorising a trarne; a pin mounted in the iran/ie; a substantially hshaped arm pivoted on said pin with one part disposed hori zontaiiy and the ethos part disposed ver tieaiiy; a work supporting tahie at the top vertical part; a ioohing hoit siidahiy tinted and extending under said horizontai p -oiding the arno iroin rocking in one dires#J 2 g a stop on the franse engaging said "ast horiaontai part :tor swinging the on its "aiivotg and a finger on said iever 'noire the iooit ont etang-agement orizontai heiore the iatter oy said iever,

work snppoit for stitching machines a sahstantiaiijy fsnaped arm wd at angniar portion and having aart extending vertioaiiy and the other tending horizontaiiy; a ioohing heit ingnnder said horizontai apart; a stop ging said Verticali part, said stop and said ionizing holt holding the L-shaped arm ,inst swinging; a iever spaced norinaiiy aoovs said horizontal part; and a ngei on iever engaging said iooking holt, the downward movement oi" said ieier being adapted to cause said finger to more the 'inciting holt from under said horizontal part and the lever to engage said horizontal part and swing said vertioai part away from said sten,

i". worif; support for stitching machines comprising an upright arm mounted for iaterai swinging; a head piroted at the sappen end oi said arm. for unobstructed swinging in a piane at right an ies to said and a work tahie freely slioiabie iateraiiir on said head..

t3. A work support ior stitching machines sii w fri? comprising an 'upright arias iloi'voted its i mounted on said head, said head and worin table being adapted for irse swinging and siiding inoif'enients respeotiveijy by an op erator oi the stitching machine.

9. A work support ior stitching maohines comprising an upright arm pivoted at its `iower end and having its 'opper end 'ioiiowg a ineinher disposed in and extending nfs wai-diy :troni said hoiiow end; a not ed on said nieroiier and engaging the upper end of said arno and adapted 'to adjust said inernher iongitndinadiyy oi said arin; a head pivoted or iiree swinging on said rneinher and having portions with paraiiei edges at its upper end; and a worir taioie hai/ing a traohway engaging the paraiei edges said headn id A wori-r support shines Comprising upright its iower end and ing its u iioiiow; a ineniher extending into i iow end; a spline oo' section hetween rneniher and said hollow end; a nut thr- -ed on said nieinher engaging end oif said arrn for adjusting sa iongitndinaiij/ or the arno; a head pivote on the apparenti oi said inernher ior rnannai swinging; a woriz tahie having traohway therein; and portions on said ineinioier having paradisi edges engaging said.

traohway providing a irse and nnoiostriioted sliding eonneotion hetween the worin` tahie andsaid member.y

if.. fi work support for stitehing shines comprising an upright arm pinoted at its lower end and having a portion entending iateraiiy; a iooii engaging the iateraiiy extending part oit said arm holding the iatter against swinging in one direction; means 'fior disengaging said iooir from iateraiiy extending portion of the arm and moving the arm on its pivot; a head pivoted on the upper end of said arm; and aiworir. tabie having its upper suraoedisposed in a A#piane substantially at right angles to the anis oi: said head, there heing a sliding connection between the table and head permitting the tahie to slide iateraiiy oi the axis oi? said. head and always in a @iene suhstantiaiiy at right angies to said axis.

iin testimony whereoI ii have signed name to this speoioation on this 17th day oi June, A.. D., i919.

HENRY 'Miti 

